Fountain Pen ink refills 25pcs diameter 2.6mm 3.4mm standards international Stationery Office supplies INK PEN

Product Features

This set of 25pcs fountain pen ink refills with diameters of 2.6mm and 3.4mm meets international standards, ensuring compatibility with most fountain pens.
Loosely packaged, they are easy to handle and refill, providing a convenient solution for your writing needs.
Free from high-concerned chemicals, these ink refills are safe to use, protecting your fountain pen and your hands.
As a stationery office supply, they are suitable for various writing tasks, from note-taking to calligraphy.
Whether you're a student, professional, or writing enthusiast, these ink refills offer a reliable and cost-effective option.